Queue rows passed albumArtUrl straight to ArtTile, but for tracks that
field is usually empty — the real cover is served per-track from
/tracks/{id}/cover. Apply the same resolution PersistentPlayer uses
(getCoverUrl ?? getTrackCoverUrl) for both the now-playing tile and the
up-next rows.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>